Effects of ultrasound-guided brachial plexus block in combination with sevoflurane general anesthesia via laryngeal mask on upper limb tumor and fracture surgery for children based on inflammatory stress response

Zhan, Linsen ; Zhang, Yunfeng ; Huang, Gang ; Li, Dong ; Lan, Yunping

Abstract

Sevoflurane is used successfully for general anesthesia via laryngeal mask on upper limb tumors like osteosarcoma and Ewings sarcoma and fractures in orthopedic care centers. With the advancement in interventional radiology, many procedures are now available to support surgeons to carry out such procedures without complications. In this study, we tried to evaluate the effects of ultrasound-guided brachial plexus block in combination with sevoflurane general anesthesia via laryngeal mask for upper limb tumor (osteosarcoma in the metaphysic of long bones of upper limb and Ewing sarcoma-second most malignant tumor in children) and fracture surgery in children based on inflammatory stress response. Eighty-six children who were admitted to undergo surgery for upper limb tumor and fractures from June 2018 to November 2019 were selected and divided into control and study groups according to anesthesia methods (n= 43). The control group received only sevoflurane superficial general anesthesia via laryngeal mask, besides which the study group received ultrasound-guided brachial plexus block. The surgical, anesthetic outcomes and adverse reactions were compared. Pain was assessed by the visual analogue scale (VAS) 4 h, 8 h and 12 h after surgery. The serum levels of interleukin-1β (IL-1β), IL-10, C-reactive protein (CRP), tumor necrosis factor-α (TNF-α), epinephrine (E), norepinephrine (NE), cortisol (Cor) and insulin (Ins) were measured before surgery, on the day of surgery and 3 days after surgery, respectively. Compared with the control group, the surgical time and recovery time of the study group were shorter, the pain occurred later, the intraoperative respiration was slower, and the incidence rate of adverse reactions was significantly lower. The VAS scores of the study group were significantly lower than those of the control group 4 h, 8 h and 12 h after surgery. The IL-1β, IL-10, CRP, TNF-α, E, NE, Cor, and Ins levels of the study group were also significantly lower than those of the control group on the day of surgery and 3 days after surgery. Observations of this study suggest that sevoflurane superficial general anesthesia via laryngeal mask in combination with brachial plexus block can be used in the upper limb tumor removal and fracture surgery for children. This strategy has the advantages of short recovery time, few adverse reactions, obvious sedative and analgesic effects, and low inflammatory stress response.

Keyword(s)

Bone tumor; Eving’s sarcoma; Inflammation; Osteosarcoma; Stress

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